Frontier Airlines SFO to SAN on-time performance
Frontier Airlines nonstop flights from San Francisco to San Diego · Aug 2025 – Jul 2026
On-time arrivals
52%
arrived < 15 min late
Cancelled
3.9%
8 flights
Avg arrival delay
41 min
84 min when late
Rank on route
#4 of 5
route average 65% on time
Key facts
- Frontier Airlines flights on SFO to SAN arrived on time 52% of the time in Aug 2025 – Jul 2026.
- 3.9% were cancelled, and 22% arrived an hour or more late.
- That ranks #4 of 5 airlines on this route, which averaged 65% on time overall.
- The largest source of delay minutes was late-arriving aircraft (61%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft61%
- Air traffic control & airport congestion25%
- Airline (crew, maintenance, cleaning, fueling)14%
- Extreme weather0%
- Security0%
Other airlines on SFO to SAN
- United Airlines75% on time · 15 min avg delay
- Southwest Airlines51% on time · 32 min avg delay
- SkyWest Airlines64% on time · 22 min avg delay
- Alaska Airlines87% on time · 8 min avg delay
Full SFO to SAN comparison →
Frontier Airlines on-time record across all routes →
206 Frontier Airlines flights tracked on this route; 8 cancelled, 0 diverted.
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.